Anatomy A small mass of tissue or aggregation of cells.
Botany A small knoblike outgrowth, as those found on the roots of many leguminous plants.
Mineralogy A small rounded lump of a mineral or mixture of minerals, usually harder than the surrounding rock or sediment.
[Middle English, from Latin nōdulus, diminutive of nōdus, knot; see ned- in Indo-European roots.] nod'u·lar (nŏj'ə-lər), nod'u·lose' (-lōs'), nod'u·lous (-ləs) adj.
Main Entry: nod·u·lar Pronunciation: 'näj-&-l&r Function: adjective : of, relating to, characterized by, or occurring in the formof nodules <nodular lesions> <nodular melanoma> —nod·u·lar·i·ty/"näj-&-'lar-&t-E/nounplural-ties